RESEARCH ON LONGITUDINAL CRACK DAMAGE TO CONCRETE-FILLED STEEL TUBE STRUCTURE AND ITS STRENGTHENING
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摘要: 结合河北潘家口蓄能电厂变电站钢管混凝土纵向开裂破坏及加固处理的情况, 对钢管混凝土的构造缺陷、开裂破坏机理、裂缝发生、发展规律等进行了深入研究和分析, 提出了加固处理的原则和措施。对已建钢管混凝土结构的加固处理和今后同类结构的设计与施工提出了十分有意义的理论依据和原则。Abstract: According to the longitudinal crack damage and strengthening of the concrete-filled steel tube(CFST) for the substation of Hebei Panjiakou Energy Storage Plant,it has been researched and analyzed that the structural defects,cracking failure mechanism and the rule of producing cracks and their development etc of CFST.Some strengthening principles and measures are proposed,which provides meaningful theoretical basis and principles of strengthening the existing CFST structures,as well as designing and constructing similar structures in the future.
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Key words:
- CFST /
- longitudinal cracking /
- structural defect /
- failure mechanism /
- strengthen
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